Quote Originally Posted by oj88 View Post
Need more info on the characteristics of the sound. Does it change as you increase RPM? (ie. it disappears/gets louder/increases in pitch, etc.) The more specifics we have, the better we can help you.

About the coolant leak, unless you can really see the crack on the block itself, it may also be caused by a blown head gasket.

Sir it does not change the sound, as i mentioned no difference running or idling.

And the leak is in the block itself, not on the head gasket.

Thanks a lot sir